To make the pudding

Whisk in the egg yolks, then add the milk and lemon juice gradually, whisking constantly. Next, whisk in the flour. The mixture will look a bit curdled, but that’s fine. In a separate bowl using clean whisks, whisk the egg whites to stiff peaks, then fold them into the mix.

3

Spoon into the dish and bake in the middle of the oven for 30-40 minutes or until the sponge is firm and golden.